I seem to remember that a few years back, in order to login on Windows you had to type Ctrl-Alt-Del to get a login screen.
The advantage of this was that if you had a cat or child that liked to press random keys on your computer keyboard, they wouldn't screw things up. Well, my kids are in their 40s now, but I do have a cat that likes to walk over the keyboard from time to time, and believe it or not - that requires a reboot to recover from the consequences.
Is there anything (short of hiding the keyboard) that can be done about this?